>d1jyzl2 b.1.4.1 (L:626-730) beta-Galactosidase, domains 2 and 4 {Escherichia coli} ffqfrlsgqtievtseylfrhsdnellhwmvaldgkplasgevpldvapqgkqlielpel pqpesagqlwltvrvvqpnatawseaghisawqqwrlaenlsvtl